/Engine/Plugins/EnhancedInput/Source/EnhancedInput/Public/EnhancedInputSubsystemInterface.h
Passed in as params for Adding/Remove input contexts
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FModifyContextOptions
uint8:  1
bForceImmediately
The mapping changes will be applied synchronously, rather than at the end of the frame, making them available to the input system on the same frame.
uint8:  1
bIgnoreAllPressedKeysUntilRelease
If true then any keys that are pressed during the rebuild of control mappings will be ignored until they are released.
uint8:  1
bNotifyUserSettings
If true, then this Mapping Context will be registered or unregistered with the Enhanced Input User Settings on this subsystem, if they exist.